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3.7
Electrical Supply
Wiring external to the air heater must be installed in accordance with IEE Wiring
Regulations and any local regulations which apply.
Models 100 to 300 are supplied for 240 volts, 50Hz, single phase, neutral and earth.
Models 500 to 600 are supplied for 400 volts, 50Hz, 3 phase, neutral and earth.
The method of connection to the mains electricity supply must facilitate complete
electrical isolation of the air heater by an isolator having a contact separation of at
least 3mm in all poles and the supply should serve only the air heater. The method of
connection should be provided adjacent to the air heater in a readily accessible position.
The minimum recommended cable size for the mains supply is 2.5mm
2
.
All external wiring must be enclosed within approved conduit. Conduit from isolator
switch must run so as not to interfere with the removal of the service panels of the air
heater.
Whether a single heater or a number of heaters are to be wired as part of a single
installation an isolator must be provided to each heater so that each heater can be
separately disconnected. The isolator switch should be located in a readily accessible
position. Each heater should be independently fused.
The interwiring of controls from one heater to another heater is not permitted.
3.7.1 R40 Burner Control Box G10 & G20S
M
~
2
3
1
4
5
6
7
8
9
N
L
GREEN/YELLOW
BROWN
REMOTE LOCK-OUT IF REQUIRED
BLUE
FAN HOUSING
BROWN
BLUE
BLACK
BLUE
50V
WHITE
BROWN
MOTOR
CAPACITOR
BLACK
SOLENOID
COIL
Page 11
Содержание WAH 100
Страница 16: ...3 7 7 Wiring Diagram for Single Phase Control Panel Page 14...
Страница 17: ...3 7 8 Wiring Schematic for Single Phase Control Panel Page 15...
Страница 19: ...3 7 10 Wiring Schematic for Three Phase Control Panel Page 17...
Страница 30: ...Notes Page 28...